The foil vest has clash foam plates and sturdy NBR foam to protect your spine, making it perfect for foil surfing. You will wipe-out hard on your first couple of tries, believe us. It comes with top of the line M-flex 2.0 neoprene lined with knitflex on the outside and flaremesh on the inside for quick dry properties. Item Features YKK Front zip Harness grip lines Spine protection (NBR) CE approved Non-padded harness waist part Please note: This is not a floatation device / buoyancy aid Zipper lock Clash foam Item Materials Fox fleece